# Following table is used during the round 0 to permute the raw input data
IPTable = [58, 50, 42, 34, 26, 18, 10, 2, 
			60, 52, 44, 36, 28, 20, 12, 4, 
			62, 54, 46, 38, 30, 22, 14, 6, 
			64, 56, 48, 40, 32, 24, 16, 8, 
			57, 49, 41, 33, 25, 17, 9, 1, 
			59, 51, 43, 35, 27, 19, 11, 3, 
			61, 53, 45, 37, 29, 21, 13, 5, 
			63, 55, 47, 39, 31, 23, 15, 7]

# Following table is used to extend right half of data 
ExtensionTable = [32, 1, 2, 3, 4, 5, 
					4, 5, 6, 7, 8, 9, 
					8, 9, 10, 11, 12, 13, 
					12, 13, 14, 15, 16, 17, 
					16, 17, 18, 19, 20, 21, 
					20, 21, 22, 23, 24, 25, 
					24, 25, 26, 27, 28, 29, 
					28, 29, 30, 31, 32, 1, ]

# Following table is used to shrink key from 64 bits to 56 bits and permute for first round
KeyPermutationTable1 = [57, 49, 41, 33, 25, 17, 9, 
						1, 58, 50, 42, 34, 26, 18, 
						10, 2, 59, 51, 43, 35, 27,
						19, 11, 3, 60, 52, 44, 36, 
						63, 55, 47, 39, 31, 23, 15, 
						7, 62, 54, 46, 38, 30, 22, 
						14, 6, 61, 53, 45, 37, 29, 
						21, 13, 5, 28, 20, 12, 4 ]

# Following table is used to generate subkey for round 1 to 16
KeyPermutationTable2 = [14, 17, 11, 24, 1, 5, 3, 28, 
						15, 6, 21, 10, 23, 19, 12, 4, 
						26, 8, 16, 7, 27, 20, 13, 2, 
						41, 52, 31, 37, 47, 55, 30, 40, 
						51, 45, 33, 48, 44, 49, 39, 56, 
						34, 53, 46, 42, 50, 36, 29, 32]

# key shift information for round 1 to 16
KeyShiftTable = [1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1]


S1 = [[14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7], 
	[0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8], 
	[4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0], 
	[15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13]]

S2 = [[15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10], 
	[3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5], 
	[0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15],
	[13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9]]

S3 = [[10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8], 
	[13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1], 
	[13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7], 
	[1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12]]

S4 = [[7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15], 
	[13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9], 
	[10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4], 
	[3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14]]

S5 = [[2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9], 
	[14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6], 
	[4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14], 
	[11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3]]

S6 = [[12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11], 
	[10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8], 
	[9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6], 
	[4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13]]

S7 = [[4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1], 
	[13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6], 
	[1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2], 
	[6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12]]

S8 = [[13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7], 
	[1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2], 
	[7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8], 
	[2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11]]


SBox = [S1, S2, S3, S4, S5, S6, S7, S8]


P = [16, 7, 20, 21,
	29, 12, 28, 17,
	1, 15, 23, 26, 
	5, 18, 31, 10, 
	2, 8, 24, 14, 
	32, 27, 3, 9, 
	19, 13, 30, 6, 
	22, 11, 4, 25]
# KeyShrinkTable = [True, True, True, True, True, True, True, False] * 8
